Treatment Graph (IMAGE) University of Pennsylvania Caption This graph represents treatment as usual (TAU), brief therapy (BT) and cognitive behavioral therapy (CBT) for depression patients, shown here in solid grey, speckled grey and black, respectively. The group on the far left is the full sample. In the middle are those with a good prognosis and on the right are those with a poor prognosis. Researchers Robert DeRubeis and Lorenzo Lorenzo-Luaces of the University of Pennsylvania found that those with worse prognoses saw the strongest results from CBT. Those with better prognoses no differences between CBT, BT and TAU. Credit Robert DeRubeis and Lorenzo Lorenzo-Luaces, University of Pennsylvania Usage Restrictions Must credit DeRubeis/Lorenzo-Luaces from the University of Pennsylvania. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.